Isolation and Characterization of a New Fluorescent Pseudomonas Strain that Produces Both Phenazine 1-Carboxylic Acid and Pyoluteorin

  • HU, HONG-BO (College of Life Science and Biotechnology, Shanghai Jiaotong University) ;
  • XU, YU-QUAN (College of Life Science and Biotechnology, Shanghai Jiaotong University) ;
  • FENG CHEN (College of Life Science and Biotechnology, Shanghai Jiaotong University) ;
  • XUE HONG ZHANG (College of Life Science and Biotechnology, Shanghai Jiaotong University) ;
  • HUR, BYUNG-KI (Department of Biological Engineering, Inha University)
  • Published : 2005.02.01

Abstract

Strain M-18 was isolated from the rhizosphere soil of sweet melon, using 1-aminocyclopropane-1-carboxylate (ACC) as a sole nitrogen source. Its phenotypic characteristics, metabolic tests, and 16S rDNA sequence were analyzed. The antibiotics secreted by strain M-18 were determined to be phenazine 1-carboxylic acid and pyoluteorin. These data showed that strain M-18 was a new fluorescent Pseudomonas strain that produced both phenazine 1-carboxylic acid and pyoluteorin, some features being similar to Pseudomonas aeruginosa and Pseudomonas fluorescens. Therefore, the strain M-18 appears to be the first pseudomonad described to date that is capable of producing both phenazine 1-carboxylic acid and pyoluteorin.

Keywords

References

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